Improvement in gun-locks



L cfnANE.

Improvement in Gun Locks.

N0. 124,939- Patented'MarchZJZ.

. in gcrrevolym "pasin UNrTnn STATES JOSEPH C. DANE, OF LA GROSSE,WISCONSIN, ASSIGNOR TO CHARLES PAR- PATENT Grrron.

KEE, OF MERIDEN, CONNECTICUT.

IMPROVEMENT IN GUN-LOCKS.

Speeilicaton forming part of Letters Patent No. 124,939, dated March 26,1872.

To all 107mm it may concern:

Be it known that I, Josnrn C. DANE, of La Crosse, in the county of LaCrosse and State of Vsconsin, have invented a new Improvement in Lockfor Fire-Arms; and I do hereby declare the following, when taken inconnection with the accompanying drawing and the letters of referencemarked thereon, to be a full, clear, and exact description of the same,and which said drawing constitutes part of this specification, andrepresents, in-

Figure l, an inside view of the lock; and in Figs. 2 and 3, detachedviews of the tum bler and searplate, to illustrate the operation of theinvention.

'lhis invention relates to an improvement in locks for fire-arms,especially for breech-loadgarms, the object being to cause l d`I fter ithas caused exy y. tion consists in the constr ction ofwtheitumblercombined with the scar, so that, after the hammer has been thrown down,an over-motion being given to the spring, the scar will throw thetumbler and the hammer attached thereto back to half-cock.

A is the lock-plate; B, the hammer; C, the mainspring; D, the tumbler;E, the connection between the tumbler and mainspring; F, the sear; G,the sear-spring; all constructed and arranged to operate insubstantially the usual manner, with this difference, that upon thelower end of the tumbler D a cam-shaped extension, I, is formed from thehalf-cock notch a downward; and that a stop, d, is made to arrest theaction of the mainspring at about' half-cock.

As represented in broken lines, Fig. 2, the tumbler and mainspring are,in position of fullcock, released from this in the usual manner, thehammer is thrown down to cause eXplosion; but, before the hammerstrikes, the maina spring C rests upon the stop d, having alreadyimparted to the hammer a sufficient momentum to cause the explosion,carrying the tumbler to the position denoted in broken lines, Fig. l,and also in Fig. 3. The nose of the sea-r bearing against the projectionor cam I, and the hammer free from the mainspring, the power of thescar-spring on the sear, thus bearing against the projection I, forcesthe lower end of the tumbler forward until it reaches the half-cocknotch a, or sufficiently far to'remove the hammer the desired distance.

While I believe the operation of the senr upon the cam of the tumbler,as described, to be the best practical arrangement, it will be evidentthat other devices may be employed to throw back the hammer, it beingonly essential that 'the action of the mainspring be arrested before thethrow of the hammer is completed.

I do not wish to be understood as broadly claiming-a rebounding hammer,as such I am aware is not new; but

I claiml. In combination with the hammer and mainspring of a gun-lock, Iclaim a stop, arranged and operating substantially as described, toarrest the action of said mainspring before the full throw of the hammeris completed, in order to prevent the hammer resting with force upon thepoint struck to produce discharge.

2. In combination with the subject-matter of first clause of claim, Iclaim the tumbler D,

provided with the cam-shaped end I and the sear F, so that the said searwill force the tumbler to return, substantially as described.

JOSEPH C. DANE. Witnesses:

J. A. KnLLoGa, H. M. SAFFORD.

